CN108872749A - A kind of automatic test platform based on the more electric aircraft wirings of simulation - Google Patents
A kind of automatic test platform based on the more electric aircraft wirings of simulation Download PDFInfo
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- CN108872749A CN108872749A CN201810706704.9A CN201810706704A CN108872749A CN 108872749 A CN108872749 A CN 108872749A CN 201810706704 A CN201810706704 A CN 201810706704A CN 108872749 A CN108872749 A CN 108872749A
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- cable
- signal
- wirings
- automatic test
- test platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The present invention provides a kind of automatic test platform based on the more electric aircraft wirings of simulation, including earthing module, and motion-control module, wire connection block, signal occurs and acquisition module.The present invention simulates cable on aircraft and lays prototype, is the integrated test systems for a variety of laying model degree of crosstalk tests by changing the test of cable spacing or distance away the ground completion for cross talk conditions between cable.Beneficial effects of the present invention：Using kinetic control system, can accurate controlling cable spacing, saved space and testing cost；Have many advantages, such as that scalability is strong, perfect in shape and function.
Description
Technical field
The invention belongs to cable frame technical field, in particular to a kind of automatic test based on the more electric aircraft wirings of simulation
Platform.
Background technique
To save flight cost, gradually from conventional airplane to more electric aircraft developments, more electricity aircraft utilization electric energy replace aircraft
The gentle energy of the hydraulic energy of conventional airplane increases the Electric Wires & Cables quantity of more electric aircraft utilizations, and cable laying structure is more complicated.
When aircraft cable is laid, aircraft space structure should be considered to guarantee that cable can smoothly be laid in a limited space, is examined again
Reach the requirement of related electromagnetic protection between worry cable to the electromagnetic interference of cable to external environment.The country carries out aircraft wiring side
When case designs, relevant criterion is formulated with reference to external mature technology, but related process applicability on home-built aircraft is not verified,
And the correlation theory of standard formulation constrains the domestic autonomous Design about cabling scenario according to indefinite.Therefore, it is necessary to line
The respective specifieds such as cable laying structure carry out research and matter emulation.
Designed cable frame is all made of fixed cable position for cable location when electromagnetic interference between research cable both at home and abroad
Method, the method precision of fixed cable position is low and variation range is limited serious.This system is realized by using servo motor
The closed-loop control of cable speed and position.System can be realized according to program and be automatically adjusted, and avoid human factor to experiment essence
The influence of degree.Wiring simulator may be implemented to restore laying original on aircraft, and (over the ground for related laying parameter
Highly, spacing etc.) carry out verification experimental verification, the independent research conducive to domestic big aircraft about electrical interconnection system.
Summary of the invention
For the deficiency in structure in the prior art, the object of the present invention is to provide one kind based on the more electric aircraft wirings of simulation
Automatic test platform, in favor of solving the problems, such as that existing termination technique lacks theoretical foundation for cable system of laying.
To achieve the above object, the technical solution adopted by the present invention is that passing through the automation based on the more electric aircraft wirings of simulation
Cross talk conditions are tested when test platform is come to cable different laying way of local.
A kind of more electric aircraft wiring simulation and automatic test platform, including test equipment, wiring simulator, movement control
Device and industrial personal computer processed, the test equipment includes signal generation and acquisition module, signal generating module can be with any wire
Apply signal on cable, acquisition module carries out signal acquisition from other single line cable.
The motion control device includes motion control board, servo motor, signal converting case and display, by fortune
Dynamic Control card parameter is configured, and board can control servo motor to by signal converting case, and relevant parameter is set
It sets and needs to carry out over the display.
The wiring simulator includes mould group slide unit, sliding block and ball-screw, and sliding block can be socketed on ball-screw,
Ball-screw can be in mould group slide unit, and three has been interconnected to constitute one group of mould group.
The mould group slide unit is equipped with 8, and every group of sliding block linearly slides between ground and slide unit.
Screw rod on the mould group slide unit, sliding block are all helical form, and the screw rod top shoe is made by fastening effect
Both threads cable is in complete straight configuration in cable frame.
The pedestal upper mold group slide unit is equipped with concave slot, and concave slot is directly from wiring simulator ground unit bottom plate
Fluting, so that original bottom plate is invaginated from smoothly becoming, it is in " convex " shape.
The motion-control module includes motion control unit；Wherein motion control unit is realized by Serve Motor Control
Building for cable difference laying configuration, is cable motion control center in whole equipment.
The motion control unit applies analog signal to servo motor by industrial personal computer, and driving motor turns according to given
Speed and angle are moved.Cable is in the horizontal direction or vertical direction can be consistent
The signal of the signal generating module occurs board and chooses high stability signal generation board, experiment porch of arranging in pairs or groups
Random waveform can be generated to meet the requirement interfered under different situations and motivated on cable.
The signal acquisition unit of the signal acquisition module chooses high-precision oscillograph, and high-precision oscillograph is mainly by plate
Block PXI-5164 to constitute, microvolt order of magnitude signal can be acquired, can satisfy the acquisition to interference signal on cable is disturbed.
Effect of the invention is：Theoretical foundation is provided to terminate cable laying in technique on aircraft, and is domestic big aircraft
Cable laying correlation theory is provided to support.
Detailed description of the invention
Fig. 1 is that the present invention is based on the automatic test platform schematic diagrames of the more electric aircraft wirings of simulation；
Fig. 2 is wiring simulator schematic diagram of the invention；
Fig. 3 is the vertical mould group schematic diagram of line simulator of the invention；
Fig. 4 is the horizontal mould group schematic diagram of line simulator of the invention；
Fig. 5 is line simulator working state schematic representation of the invention.
In figure：
1, earthing module 2, motion-control module 3, wire connection block
4, signal occurs and acquisition module 5, wiring simulator module 6, ground unit
7, servo motor 8, vertical mould group slide unit 9, horizontal mould group slide unit
11, simulator ground unit 12, test equipment ground unit are routed
21, motion control board
31, cable connection unit 32, signal converting case
41, board 42, high-precision oscillograph 43, signal extraction case occur for random waveform
51, the connection of interference cable lays unit 52, is disturbed cable connection laying unit
81, vertical mould group slid platform base 82, vertical mould group slide unit support column 83, sliding block
84, ball-screw 85, vertical mould group slide unit junction
91, horizontal mould group slid platform base 92, horizontal mould group slide unit junction 93, base threaded hole
94, horizontal mould group slide unit concave slot
Specific embodiment
The automation provided by the invention based on the more electric aircraft wirings of simulation is surveyed in the following with reference to the drawings and specific embodiments
Examination platform is described in detail.
As shown in Figure 1, the automatic test platform provided by the invention based on the more electric aircraft wirings of simulation, including ground connection mould
Block 1, motion-control module 2, wire connection block 3, signal occur and acquisition module 4 and wiring simulator module 5, ground connection mould
Block includes wiring simulator ground unit 11 and test equipment ground unit 12, and wiring simulator ground unit is mainly used for
Tested cable ground connection；Test equipment ground unit is mainly used for providing a zero potential plane of reference for whole system；Motion control
Module 2 is realized building for cable difference laying configuration, is cable motion control center in whole equipment by Serve Motor Control,
Including motion control unit, it is responsible for controlling mould group slide unit, changes the control centre of cable system of laying；Cable connects mould
Block 3 includes cable connection unit 31 and signal converting case 32, and cable connection unit is mainly responsible for connecting wiring simulator and appoints
Meaning waveshape generating device, signal converting case are mainly used for realizing aviation plug and optional waveform generator on wiring simulator
And common cable switching；Signal occurs to include that board 41, high-precision oscillograph 42 and signal occur for random waveform with acquisition module
Case 43 is extracted, signal generating unit occurs board 41 using random waveform and generates corresponding sinusoidal signal or simulation starting moment
Rising edge signal；Acquisition unit is mainly signal via signal extraction case 43, extracts and is disturbed crosstalk signal on cable；Signal turns
It connects case 32 and is transferred to acquisition module for being disturbed signal on cable；Finally with high-precision oscillograph 42 to believing in signal extraction case 43
It number extracts.Wiring simulator module includes cable connection and laying unit 51,52.
As shown in Fig. 2, wiring simulator includes cable connection and laying unit 51,52；The both ends of cable are fixed respectively
On sliding block 9, servo motor 7 controls the rotation of ball-screw 84 so that sliding block 83 moves up and down.Vertically mould group slide unit 8 is
Ball-screw 84 provides fixed function, and horizontal mould group slide unit 9 is by being directly installed in 6 side of ground unit " convex " type groove 94 really
Protecting vertical mould group slide unit 8 can be with stable operation.
In Fig. 2,6 be ground unit in wiring simulator, and ground unit 6 is cloth by being connected with system earth module 1
The cable apparatus laid in line simulator provides reference ground.
As shown in figure 3, vertical mould group slide unit includes vertical mould group slid platform base 81, vertical mould group cunning in wiring simulator
Platform support column 82, sliding block 83, ball-screw 84, vertical mould group slide unit junction 85；Wherein in vertical mould group slid platform base 81
It is responsible for being combined with " convex " type groove 94 in horizontal mould group slide unit 9 in " recessed " type part；Vertical mould group slide unit support column 82 is entire
The support section of slide unit；83 change in location of sliding block needs to control the rotation of ball-screw 84 by servo motor 7 and realizes；On sliding block 83
Aperture processing is carried out, guarantees the laying state of cable connection and laying unit 51,52；Vertical mould group slide unit junction 85 is mainly negative
Blame the connection of servo motor 7 and ball-screw 84.
As shown in figure 4, " recessed " type part can be made in horizontal mould group slide unit 9 by aperture in vertical mould group slid platform base 81
Ball-screw can pass through to realize the movement on vertical 81 horizontal position of mould group slid platform base；Horizontal mould group slid platform base 91
Play ball-screw in fixed horizontal mould group slide unit 9；It is responsible for connection servo motor 7 and water in horizontal mould group slide unit junction 92
The connection of ball-screw in flat-die group slide unit；Ball-screw 84 passes through base threaded hole 93 to vertical mould group in vertical mould group slide unit
Slide unit is fixed；Horizontal mould group slide unit " convex " type groove 94 is responsible in conjunction with " recessed " type part in vertical mould group slid platform base 81,
Realize the movement of vertical 8 horizontal position of mould group slide unit.
The servo motor module 7 can drive 4 groups of vertical mould group slide units 8 and 4 groups of horizontal mould group slide units, and every group linear
Mould group top shoe 83 can be contacted with zero distance, therefore the variation of both threads cable spacing can start from scratch, and increase and cable is surveyed
The range of amount.Servo motor 7 drives ball-screw 84 to be rotated, to change the change of 84 top shoe of ball-screw, 83 position
Change, to realize building for a variety of cable laying models.Mould group upper slide bar is not traditional smooth but ball-screw 84, as far as possible
Reduce friction for realizing high-precision control.
Screw rod top shoe 83 can provide fastening effect in the mould group slide unit, to guarantee both threads cable in cable frame
It is at complete straight configuration, to ensure test accuracy.It is rolled on vertical mould group slide unit 8 and horizontal mould group slide unit 9 to cooperate
Ballscrew 84, selected 83 inner hole of sliding block is all helical form on bar.Screw rod can be bonded completely with sliding block guarantees two submodules
Between due to contact problems formed impedance can be small as far as possible.
Mould group slide unit " convex " type groove is to slot to obtain directly from bottom plate, not only ensure that system integrity but also has increased
System reliability.The upright slide rail vertical with horizontal slide rail should be fitted closely with screw rod in horizontal mould group slide unit, guarantee sliding block
It is on state with bottom plate.Motor by industrial personal computer control is servo motor.Simulation letter is applied to servo motor by industrial personal computer
Number, driving motor is moved according to given rotating speed and angle.The high-precision of servo motor movement ensure that cable in level side
To or vertical direction can be consistent, it is ensured that testing reliability.
As shown in figure 5, motion control board 21 is controlled by simulating to wiring, by display 22 to Control card
The setting of relevant parameter may be implemented using control of the motion control board 21 to servo motor 7, and then realize to servo motor
The control in direction and angle.Cable connection laying unit 51,52, which can satisfy, restores laying configuration original on aircraft.Appoint
The signal that board 41 generates, which occurs, for meaning waveform can be applied on cable connection laying unit 51,52, and high-precision oscillograph 42 can
It is acquired and shows to connect signal on laying unit 52,51 to cable.Signal is needed to turn by the fixed cable of sliding block 83
Case 32 is connect to make signal on cable extract by signal extraction case 43 to crosstalk signal on cable.It is routed in simulator
6 be ground unit, reference ground is provided for cable connection laying unit 51,52 in wiring simulator, when meeting cable laying
The setting of distance away the ground.
The motion control board 21 of the motion-control module uses high-precision motion Control card PXI-7350, cooperation
Experiment porch display 22 can realize high-precision control on direction and angle to servo motor.
The signal of the signal generating module occurs board 41 and chooses high stability signal generation board PXI-5422, appoints
Random waveform can be generated to meet the requirement interfered under different situations and motivated on cable in meaning waveform generator collocation experiment porch.
The signal acquisition unit 42 of the signal acquisition module chooses high-precision oscillograph, high-precision oscillograph mainly by
Board PXI-5164 is constituted, and can be acquired microvolt order of magnitude signal, be can satisfy the acquisition to interference signal on cable is disturbed.
Claims (10)
1. a kind of automatic test platform based on the more electric aircraft wirings of simulation, it is characterised in that：Including test equipment, wiring mould
Quasi- device, motion control device and industrial personal computer, the test equipment includes signal generation and acquisition module, signal generating module can
To apply signal on any wire cable, acquisition module carries out signal acquisition from other single line cable.
2. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, it is characterised in that：
The motion control device includes motion control board, servo motor, signal converting case and display, by motion control board
Card parameter is configured, and board can control servo motor to by signal converting case, and relevant parameter is over the display
Setting.
3. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, it is characterised in that：
The wiring simulator includes mould group slide unit, sliding block and ball-screw, and sliding block can be socketed on ball-screw, ball-screw
Can be in mould group slide unit, three has been interconnected to constitute one group of mould group.
4. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, it is characterised in that：
The mould group slide unit is equipped with 8, and every group of sliding block linearly slides between ground and slide unit.
5. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, it is characterised in that：
Screw rod on the mould group slide unit, sliding block are all helical form, and the screw rod top shoe is made in cable frame by fastening effect
Both threads cable is in complete straight configuration.
6. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 4 or 5, feature exist
In：The pedestal upper mold group slide unit is equipped with concave slot.
7. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, it is characterised in that：
The motion-control module includes motion control unit, and wherein motion control unit is by Serve Motor Control, in servo motor
Shaft realizes building for cable difference laying configuration by the riveting with ball-screw in motion control unit, is formed in equipment
Cable motion control center.
8. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 7, it is characterised in that：
The motion control unit applies analog signal to servo motor by industrial personal computer, and driving motor is according to given rotating speed and angle
It is moved, cable is in the horizontal direction or vertical direction can be consistent.
9. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, it is characterised in that：
The signal of the signal generating module occurs board and chooses high stability signal generation board PXI-5422, experiment porch of arranging in pairs or groups
Random waveform can be generated to meet the requirement interfered under different situations and motivated on cable.
10. a kind of automatic test platform based on the more electric aircraft wirings of simulation according to claim 1, feature exist
In：The signal acquisition unit of the signal acquisition module chooses high-precision oscillograph, and high-precision oscillograph is mainly by board
PXI-5164 is constituted, and can be acquired microvolt order of magnitude signal, be can satisfy the acquisition to interference signal on cable is disturbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706704.9A CN108872749A (en) | 2018-07-02 | 2018-07-02 | A kind of automatic test platform based on the more electric aircraft wirings of simulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706704.9A CN108872749A (en) | 2018-07-02 | 2018-07-02 | A kind of automatic test platform based on the more electric aircraft wirings of simulation |
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| CN108872749A true CN108872749A (en) | 2018-11-23 |
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| CN201810706704.9A Pending CN108872749A (en) | 2018-07-02 | 2018-07-02 | A kind of automatic test platform based on the more electric aircraft wirings of simulation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113484636A (en) * | 2021-06-22 | 2021-10-08 | 东风汽车集团股份有限公司 | Wire harness loop crosstalk prevention method and system based on unmanned system and storage medium |
| CN113625003A (en) * | 2021-06-29 | 2021-11-09 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cable crosstalk test fixture |
| CN114678819A (en) * | 2022-05-30 | 2022-06-28 | 合肥航太电物理技术有限公司 | Cable bundle test simultaneous injection test device |
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|---|---|---|---|---|
| CN113484636A (en) * | 2021-06-22 | 2021-10-08 | 东风汽车集团股份有限公司 | Wire harness loop crosstalk prevention method and system based on unmanned system and storage medium |
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| CN113625003A (en) * | 2021-06-29 | 2021-11-09 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cable crosstalk test fixture |
| CN114678819A (en) * | 2022-05-30 | 2022-06-28 | 合肥航太电物理技术有限公司 | Cable bundle test simultaneous injection test device |
| CN114678819B (en) * | 2022-05-30 | 2022-08-02 | 合肥航太电物理技术有限公司 | Cable bundle test simultaneous injection test device |
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Application publication date: 20181123 |